Who is they?
Computers outsell laptops because they are not worth the money.

OPTIONS:
- Computers
- laptops

A:
laptops

Who is they?
Gladiators are viewed better than Slaves because they fight to the death in the arena.

OPTIONS:
- Gladiators
- Slaves

A:
Gladiators

Who is they?
The space marines killed the aliens because they were ordered to.

OPTIONS:
- The space marines
- the aliens

A:

The space marines